128197376

素因数分解:

$2^8\times {\mathrm{619}}^1\times {\mathrm{809}}^1$

素因数の和:1444

約数の個数: 36

約数和(自身を含む): 256624200

約数和(自身を除く): 128426824

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 619, 809, 1238, 1618, 2476, 3236, 4952, 6472, 9904, 12944, 19808, 25888, 39616, 51776, 79232, 103552, 158464, 207104, 500771, 1001542, 2003084, 4006168, 8012336, 16024672, 32049344, 64098688, 128197376]

約数ペア:

[(1, 128197376), (2, 64098688), (4, 32049344), (8, 16024672), (16, 8012336), (32, 4006168), (64, 2003084), (128, 1001542), (256, 500771), (619, 207104), (809, 158464), (1238, 103552), (1618, 79232), (2476, 51776), (3236, 39616), (4952, 25888), (6472, 19808), (9904, 12944)]